The tenants of a Brooklyn brownstone band together when their home is threatened. A young Dominican girl discovers a love of horseback riding when a white woman in upstate New York takes her in. In a drought-stricken near future, a man and woman adopt (or sort-of steal) a child and find themselves lost in an inland dune sea. In a conversation moderated by OPB’s Allison Frost,Kathleen Alcott(Infinite Home), Mary Gaitskill(The Mare), and Claire Vaye Watkins(Gold Fame Citrus) discuss the ad hoc families in their new novels and finding comfort in unexpected places.